Photosynthesis Inquiry Labs

Students will recognize that radiant energy from the Sun is transformed into chemical energy through the process of photosynthesis.

In this two-part lab, students will investigate the photosynthesis chemical formula and also test a plant leaf for products of photosynthesis.

The product contains three complete labs that are differentiated for all of your students.

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What's Included:

- Teacher Resource Pages - prep time, standards/objectives, teacher directions, materials, and additional resources.

- Answer Keys - suggested answer keys for the labs

- CER Conclusion and Reflection Questions - Claim, Evidence, and Reasoning statements along with 3 reflection questions per lab.

- All pages are EDITABLE.

3 Differentiated Labs

Dependent Student Lab- A complete lab. This level is written with a combination of procedural instructions and inquiry questions. They are moderately student-centered with guided inquiry questions throughout the lab. Suggested for on-level learners.

Modified Student Lab - A complete lab. This level provides the most structured lab experience. The lessons may eliminate parts of the lab and change the questioning to include sentence stems or multiple choice questions. Suggested for learners with modifications.

Independent Student Lab - A complete lab. This level is the most student-centered experience. Suggestions are made for the students to get started, but most of the decisions will be student-centered. The students will be responsible for most aspects of the lab and will have the least guidance. Suggested for advanced learners.

Materials Needed Per Group:

Zip-lock sandwich bag with 12 orange, 18 yellow, and 6 red candies (Skittles work well)

1” x 5” wide strip of dark construction paper

2 paperclips

3 – 250 mL beakers

Stirring rod

Cold water

1 leaf still attached to a de-starched plant

Paper towel

5” piece of string

Small plate/Petri dish

Eyedropper

Test tube

Rubbing alcohol/ethanol

Beaker

Goggles

Stopwatch/clock

Hot pad/oven mitt

Iodine Solution (0.1%)

Teacher Only:

Heat source (hot plate)

500 mL beaker to deliver hot water to groups

Beaker with boiling water to kill leaves

Enough hot water (NOT boiling) for each group to have 200 mL

Hot pad/oven mitt

Slotted spoon

Standards Alignment

TEKS: 7.5 A - Students can recognize that radiant energy from the Sun is transformed into chemical energy through the process of photosynthesis.

NGSS: MS LS1-6 - Construct a scientific explanation based on evidence for the role of photosynthesis in the cycling of matter and flow of energy into and out of organisms.

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Terms of Use

Copyright © Chris Kesler. All rights reserved by the author. This product is to be used by the original downloader only. Copying for more than one teacher, classroom, department, school, or school system is prohibited. This product may not be distributed or displayed digitally for public view. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). Clipart and elements found in this PDF are copyrighted and cannot be extracted and used outside of this file without permission or license. Intended for classroom and personal use ONLY.